Home / 91,663.08-137,529.54-47,261.52

Finding the Fourth Proportional to 91,663.08, 137,529.54 and 47,261.52

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Solution

The fourth proportional to 91,663.08, 137,529.54 and 47,261.52 is: 70,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663.08 : 137,529.54 = 47,261.52 : x
  2. Step 2: Convert to fraction form
    91,663.08/137,529.54 = 47,261.52/x
  3. Step 3: Cross multiply
    91,663.08x = 137,529.54 × 47,261.52
  4. Step 4: Simplify right side
    91,663.08x = 6,499,855,105.30
  5. Step 5: Solve for x
    x = 6,499,855,105.30/91,663.08
  6. Step 6: Final answer
    x = 70,910.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.